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Problem with RPC HTTPS

Ok, here is the situation and thanks in advance for any direction I can get.

I had RPC over HTTPS working for a year now. I would create the profile on the LAN and then Outlook would work when the laptop was outside the network.

A month ago my Godaddy Certificate expired. I renewed my certificate and everything seemed fine. I don't get any errors using OWA. When I go to https://FQDN/rpc I get an authentication box.

Now, when I add the outlook profile on the LAN, everything works. When I take the laptop off the network and put it outside the firewall it will not connect. I get Microsoft exchange server is unavailable. I look at my firewall logs and see several entries from the laptop over port 443 followed up with a denial on port 135.

I have exported all of the certificates on my exchange server Trusted Root Certification Folder to an .sst file and imported them into the laptop. I also imported (on the laptop) a new .p7b file Godaddy made me import when I renewed my certificate. I have gone to my https://FQDN/owa and installed the certificate.

Comment

How did you replace the current cert and what is your setup single/multi server etc.

When outside, just to confirm, OWA works without issue yes?

I assume you renewed the cert with the same name?

I have a single server setup. When the certificate expired, I went through the renewal process used by IIS. Copied the key into Godaddy's website then I went back to IIS directory security and finished the renewal.

Yes, OWA works from outside and I don't get any kind of certificate errors. The certificate also has the same name as before.

Comment

When I run outlook.exe /rpcdiag I have --- in the Conn column. I get a window asking for username and password. I put in the username and password then after a few minutes the exchange server connection status window goes blank.

Oh, also Exchange 2003 SP 2 and Outlook 2003.

Comment

There is a chance you have caused yourself a problem with the root certificates. I have been caught out before as well. You don't need to import anything in to the laptop, it is only on the server. However do check that you have the certificates in the correct place. There is a root certificate that if it is present in the root certificate store can cause problems. GoDaddy have a support document about the root certificate installation and the certificate to remove on their web site.